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1) Free call, clear voice, convenience-plug and play.
2) In this business , It is the first USBconference telephone with hign quality timebre and convenience operation, any common earphone with simulation connection to computer is unable to compare with this kind of USB telephone.
1) Compared with the same USB crystal voice model P, network stylr P, this kind of USB conference telephone has ordinary telephone function, that you can use commob telephone line to hole a meeting. Except this function, the USB microphone has the same function as the common USB crystal voice model P. network style P.
2) Compared with the conference telephone adopted sound card connecter to connect with computer, it has more clear and lively voice for USB connector uses standard digital signal